Color

#261d3a

#261d3a
hex#261d3a
rgbrgb(38, 29, 58)
hslhsl(259, 33%, 17%)
oklchoklch(0.257 0.054 296.7)
Closest name: Black Market (#222244)Relative luminance 0.016

Colors that go with #261d3a

Charcoal, Dark Olive Green and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#313a1d

#1d223a · #341d3a

#3a261d · #1d3a26

Split-complementary

Open in tool →

#3a341d · #223a1d

#3a1d22 · #313a1d · #1d3a34

Contrast

#261d3a as textRatioAAAA largeAAAFix
Aaon white
15.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #816ab4 as the text (4.65:1)
  • AAA: use #9e8cc5 as the text (7.01:1)
  • AA: or shift the background to #8a8a8a (4.61:1)
  • AAA: or shift the background to #adadad (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #261d3a as the background.

Brands using this color

Fonts for this mood

#261d3a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #261d3a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #261d3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/261d3a-ad9cc4-dfc74e-2a1f2d-e9ebf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md